CHD76 DRILL RODS ROSCHEN CHD76 Drill Rod is manufactured using high quality “tool joint” pin and box threads. It is friction welded to a “mid” body .....
ROSCHEN GROUP LTD ROSCHEN Group Ltd. specializes in the development, production and sales of exploration drilling tools as well as providing drilling ...
2 3/8" API REG Heavy Weight Drill Pipe 76mm DTH Drill Pipe tube For water well drill rig Product Name DTH Drill Pipe Thread API Reg Diameter 3 inch .....